\vsssub
\subsubsection{~Data assimilation module} \label{sec:data_ass}
\vsssub

\ww\ includes a data assimilation module that can work in conjunction with the
main wave model routine, and is integrated in the generic program shell. The
module is intended as an interface to a data assimilation package to be
provided by the user.

\vspace{\baselineskip} \noindent
Data assimilation module \hfill {\file w3wdasmd.ftn}

\begin{flisti}
\fit{w3wdas}{Data assimilation interface.}
\end{flisti}